GAR | GRBP-78-05

Document Title	UN R117: Proposal for Supplement 2 to the 04 series of amendments
Reference Number	GRBP-78-05
Date	28 Jul 2023
Summary	Proposal from the informal group on Measurement Uncertainties, superseding the proposal in document GRBP/2023/19.
Rulemaking Area(s)	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Proposal Status	Superseded
Meeting(s)	GRBP \| Session 78 \| 30 Aug-1 Sep 2023 7. (c) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Related Documents
	GRBP/2023/19	UN R117: Proposal for Supplement 2 to the 04 series of amendments \| Superseded	change status?
	GRBP/2024/4	UN R117: Proposal for Supplement 2 to the 04 series of amendments \| Superseded	change status?
	GRBP/2024/6	UN R117: Proposal for Supplement 2 to the 04 series of amendments \| Superseded	change status?
	WP.29/2024/65	UN R117: Proposal for Supplement 2 to the 04 series of amendments \| Adopted by WP.29	supersede?
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Excerpts from session reports related to this document
GRBP \| Session 78 \| 30 Aug-1 Sep 2023		23. The expert from IWG MU proposed measures to reduce variability (ECE/TRANS/WP.29/GRBP/2023/19 and GRBP-78-05). GRBP adopted the proposal, as laid down in GRBP-78-05, and requested the secretariat to submit it for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 04 series of amendments to UN Regulation No. 117.